WebApp Ativos Brazil

This is a Shiny web application that allows you to analyze stock data for Brazilian assets. The application retrieves data from Yahoo Finance and provides interactive charts for the selected asset.

Dependencies

The following packages are required to run the application:

• shiny
• quantmod
• readxl

Make sure to install these packages before running the application.

Installation

1. Clone the repository or download the code files.

2. Ensure that the required dependencies are installed.

3. Run the following code in R to launch the application:

library(shiny)
library(quantmod)
library(readxl)
source("server.R")

# Load the stock ticker data
YahooTickersBrazil <- read_excel("YahooTickersBrazil.xlsx")

# Define the user interface (UI)
ui <- fluidPage(
  titlePanel("WebApp Ativos Brasil"),
  sidebarLayout(
    sidebarPanel(
      helpText("Selecione o ativo que deseja analisar. A informação será coletada do Yahoo Finanças."),
      selectInput("symb", 
                  label = "Symbol", 
                  choices = unique(YahooTickersBrazil$Symbol),
                  selected = "PETR4.SA"),
      
      dateRangeInput("dates",
                     "Date range",
                     start = "2020-01-01",
                     end = as.character(Sys.Date())),
      HTML("
        <h6>Autor: <a href='https://github.com/melogabriel' target='_blank'>github.com/melogabriel</a></h6>
        <h6>e-mail: <a href='mailto:gabriel-melo@outlook.com'>gabriel-melo@outlook.com</a></h6>
      ")
    ),
    
    mainPanel(plotOutput("plot"))
  )
)

# Run the app
shinyApp(ui, server)

Usage

• Select the desired asset from the dropdown list.
• Specify the date range for the data.
• The application will retrieve the stock data and display an interactive chart.

Author

• Gabriel Melo
• Email: gabriel-melo@outlook.com

Feel free to contact the author for any questions or feedback.